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From: Marius Amado Alves <amado.alves@netcabo.pt>
Newsgroups: comp.lang.ada
Subject: Re: Ada & Postgresql
Date: Mon, 06 Sep 2004 11:57:11 +0100
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Date: 2004-09-06T11:57:11+01:00

> Ummm, I see no leak in the Gnade management of queries. I think they are 
> transparently forgotten (on finalization). It is necessary in Pgsql to 
> explicitly forget any returned result?

Yes. In the current, uncontrolled, version, yes.

> Could you please elaborate on these unwarranted constraints? I suppose 
> this is related to my previous paragraph and the difference between 
> Pgsql and Gnade.

Controlled types in Ada 95 sometimes get in your way e.g. must be 
declared at library level. This will disappear in Ada 2005. But it's no 
big deal really. The result type should be controlled. Just make a 
Pgsql_Controlled wrapper package or something. I'll take a look at old 
Pgsql applications to see how this was dealt with.